APA (7th ed.) Citation

Lewis, W., & Rose, W. K. (1963). Letters. New Directions.

Chicago Style (17th ed.) Citation

Lewis, Wyndham, and W. K. Rose. Letters. Norfolk, Conn.: New Directions, 1963.

MLA (9th ed.) Citation

Lewis, Wyndham, and W. K. Rose. Letters. New Directions, 1963.